Cores are packaged with this version because our buildbot does not serve fresh 32bit Intel cores for OSX. In order to use this, you should have at least MacOS X version 10.6 (Snow Leopard) installed. RetroArch for OSX 32bit Intel (10.6) – For users with an old MacBook that has a 32bit Intel processor (for instance, 1st generation MacBook).Cores are packaged with this version because our buildbot does not serve fresh 32bit PowerPC cores for OSX. You should have at least Mac OS X version 10.5 (Leopard) installed in order for this version to work. RetroArch for OSX PowerPC (10.5) – For users with an old PowerMac or iBook/Powerbook.Up until now, we had three versions of RetroArch for macOS/OSX users: RetroArch with Metal 2 support for macOS High Sierra users!